Interesting - definitely something to model in PVWatts (thanks for the pointer). I'll try and find the proper inputs in terms of panel geometries and such and run the numbers.
Also, how big an impact is dirt on the panels? It's a brand new house build, so I could put run water up to the roof line and put some spray assembles on them so I would rinse the panels once a week or so. Not sure about the cost tradeoff, but because its not yet in construction, it's very inexpensive to add.
Are there other things I could do during the build of the house and roof to improve efficiency, other than redesigning the roof?
thx
mike
Also, how big an impact is dirt on the panels? It's a brand new house build, so I could put run water up to the roof line and put some spray assembles on them so I would rinse the panels once a week or so. Not sure about the cost tradeoff, but because its not yet in construction, it's very inexpensive to add.
Are there other things I could do during the build of the house and roof to improve efficiency, other than redesigning the roof?
thx
mike
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